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Richard Mawer

Entry posted by Richard Mawer

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Gents,

 

Thanks for all the comments. As you can see, I have taken it all on board. I have added much more grey to the roofs and covered the Lake sections of the roof. This was Lifecolor roof dirt, and the solebars are black (Lifecolor weathered black).

 

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I airbrushed the roof dirt. Last time I used the airbrush with acrylics I thinned the,

M 50:50 with distiller tap water, but it was thin and didn't stick to the under frames of the wagons. I was painting frame dirt to underframes. More alarmingly the paint kept drying in the tip of the airbrush and blocking the paint flow. I tried more pressure, but to no avail. I also added flow enhancer, but that didn't help. I think the paint ran off the plastic even more, but still dried in the airbrush.

 

This time I had bought some Tamiya acrylic thinners. I can't help thinking it is water with a bit of alcohol and therefore a bit of a rip off, BUT it seems to have worked. I did find that the paint seemed to "run out" during a spray, but be there again when the trigger was depressed again. I turned the pressure down to 15psi and all was good.

 

I added Humbrol weathered black on the roofs, more heavily across the vents. Dirt streaks off such points. I streaked it more, with water. I then sealed that with a mist of acrylic varnish.

 

I painted the solebars by hand with a brush.

 

I think thats an improvement.

 

Rich

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wiggoforgold

I think Tamiya thinners is isopropyl alcohol, but I stand to be corrected on that. It is expensive though, and I made my own by buying a bottle of isopropyl alcohol from a chemist and mixing it 50/50 with distilled water, which was a lot cheaper. However, I've since found it difficult to buy the isopropyl alcohol and have used car windscreen washer fluid. Not all brands are the same though. car Plan and Halfords definitely work, but I'm not sure about any others.

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wiggoforgold

I think Tamiya thinners is isopropyl alcohol, but I stand to be corrected on that. It is expensive though, and I made my own by buying a bottle of isopropyl alcohol from a chemist and mixing it 50/50 with distilled water, which was a lot cheaper. However, I've since found it difficult to buy the isopropyl alcohol and have used car windscreen washer fluid. Not all brands are the same though. car Plan and Halfords definitely work, but I'm not sure about any others.

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wiggoforgold

I think Tamiya thinners is isopropyl alcohol, but I stand to be corrected on that. It is expensive though, and I made my own by buying a bottle of isopropyl alcohol from a chemist and mixing it 50/50 with distilled water, which was a lot cheaper. However, I've since found it difficult to buy the isopropyl alcohol and have used car windscreen washer fluid. Not all brands are the same though. car Plan and Halfords definitely work, but I'm not sure about any others.

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Richard Mawer

Wiggo,

 

Thanks for the info. Could be a while before I need more, but when I do, I'll have a go. Incidentally, what ratio of alcohol to water?

 

Do you use the screen wash in the same ratio as the alcohol - a straight substitute?

 

I take it that the screen wash does affect the paint colour even though it is blue?

 

Rich

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wiggoforgold

The screen wash doesn't seem to affect the paint colour. The Carplan one may have a detergent in it as it foams a bit when it's sprayed neat to clear the airbrush. It doesn't affect the paint.

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